What is a Container Energy Storage System?

A container energy storage system is a large-scale battery energy solution built into a standard shipping container. It includes battery modules (typically lithium iron phosphate, or LFP), an inverter, battery management system (BMS), energy management system (EMS), cooling equipment, fire protection, and monitoring systems—delivered as a turnkey product for fast deployment.

Types of Container ESS

• 20ft or 40ft Standard Containers – For easy transportation and space-efficient deployment.

• Air-Cooled Systems – Ideal for moderate climates and cost-sensitive projects.

• Liquid-Cooled Systems – Provide better heat management for high-capacity or high-temperature environments.

• On-Grid or Off-Grid Systems – Support various use cases like peak shaving, grid balancing, or microgrid operation.

Key Features of Container ESS

• High Energy Capacity – Scalable storage from 100kWh to multi-megawatt systems.

• Integrated Design – Pre-installed BMS, EMS, cooling, fire suppression, and inverters.

• Strong Safety Protection – Multi-layered safety protocols with real-time monitoring.

• Remote Operation – EMS and SCADA-compatible for smart grid integration.

• Customizable Layout – Voltage, interface, and software can be tailored to project needs.

Applications of Container ESS

• Renewable Energy Storage – Store excess energy from solar or wind sources.

• Grid Stabilization – Balance supply and demand, support frequency regulation.

• Peak Load Management – Store electricity during low-demand hours and release during peak times.

• Backup Power – Serve as emergency energy during grid failures or disasters.

• EV Fast Charging Stations – Provide off-grid or grid-connected storage for high-speed charging.

• Remote Microgrids – Power independent energy systems in rural or island areas.

Price of Container Energy Storage Systems

The cost of a Container ESS varies based on capacity, cooling method, battery configuration, control systems, and other custom features. Installation complexity, communication protocols, and smart energy software can also impact pricing.

The cost of a Container Energy Storage System can vary significantly depending on a range of factors, including the project scale, the number and type of distributed energy resources (DERs), the complexity of control algorithms, the level of grid integration, and the required infrastructure. Customization, software licensing, communication protocols, and system packaging also influence the final investment.

Pricing is typically quoted based on international trade terms such as EXW (Ex Works), FOB, or CIF, depending on project location and logistics preferences.
For an accurate quotation tailored to your specific needs, it is recommended to consult with the supplier directly.

How to Select the Right Container ESS for Your Project?

Assess Energy Needs – Define total capacity and discharge power.

Environmental Conditions – Choose air- or liquid-cooling based on site temperature.

Application Type – Define whether it's for peak shaving, backup, or renewable integration.

Compliance – Ensure the system meets local grid and safety standards.

After-Sales Service – Choose a supplier with responsive technical support and warranty.

How Long Does a Container ESS Last?

• Cycle Life: Over 6,000 cycles at 80% DOD

• Service Life: Typically 10–15 years under normal conditions

• Warranty: Usually 5–10 years, depending on system and supplier

The Supplier of Container Energy Storage Systems

Dagong ESS is a professional manufacturer of high-performance containerized energy storage systems. With system capacities ranging from 100kWh to several MWh, Dagong ESS offers:

Integrated 100–215kWh air- or liquid-cooled cabinets

Turnkey solutions with BMS, EMS, PCS pre-installed

Modular, customizable systems for diverse global applications

Technical support and international shipping services

For detailed information or project consultation, please contact sales@dagongess.com or visit www.dagongess.com.